thuris denotes an opening in which someone sits or through which someone is lowered.

The attested uses show an opening associated with sitting in Acts 20:9 and with being lowered through a wall in 2 Corinthians 11:33; both occurrences use the same genitive singular feminine form.

1. An opening for sitting or passage · dominant

   In Acts 20:9, the genitive singular feminine form occurs in the clause where Eutychus is sitting and later falls from the third story; the APB renders the location as "in the window." In 2 Corinthians 11:33, the same form occurs in the account of being lowered in a basket through the wall; the APB renders the clause "through a window."

   Acts 20:92 Corinthians 11:33

In the Anselm Project Bible: The APB presents the term as "window" in both cited verses, locating Eutychus in Acts 20:9 and describing the route of escape in 2 Corinthians 11:33. The verse is read as a whole.